Prepare for 1.0.0 release
UTF-8 filter added
Closing #348 - added descriptor for opensearch and produce the correct result
adding dependency to stats service
removed reference to dnet-jetty-maven-plugin
added saxon config
created tag folder for release
adding openSearch descriptor
migration to spring4 - for more information on the changes applied - mostly related to cxf - please take a look at #461
copy of dnet-functionality-services to start working on spring4
create dnet-functionality-services for spring4